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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2013) The diagnostics is always the ExitCodeException stack when the container crashes
Date Tue, 22 Jul 2014 11:02:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-2013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070119#comment-14070119
] 

Hudson commented on YARN-2013:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #620 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/620/])
YARN-2013. The diagnostics is always the ExitCodeException stack when the container crashes.
(Contributed by Tsuyoshi OZAWA) (junping_du: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1612449)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestDefaultContainerExecutor.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java


> The diagnostics is always the ExitCodeException stack when the container crashes
> --------------------------------------------------------------------------------
>
>                 Key: YARN-2013
>                 URL: https://issues.apache.org/jira/browse/YARN-2013
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Zhijie Shen
>            Assignee: Tsuyoshi OZAWA
>             Fix For: 2.6.0
>
>         Attachments: YARN-2013.1.patch, YARN-2013.2.patch, YARN-2013.3-2.patch, YARN-2013.3.patch,
YARN-2013.4.patch, YARN-2013.5.patch
>
>
> When a container crashes, ExitCodeException will be thrown from Shell. Default/LinuxContainerExecutor
captures the exception, put the exception stack into the diagnostic. Therefore, the exception
stack is always the same. 
> {code}
>         String diagnostics = "Exception from container-launch: \n"
>             + StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
>         container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
>             diagnostics));
> {code}
> In addition, it seems that the exception always has a empty message as there's no message
from stderr. Hence the diagnostics is not of much use for users to analyze the reason of container
crash.



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